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检索条件"主题词=Multilevel Algorithms"
45 条 记 录,以下是1-10 订阅
排序:
A practical optimization framework for political redistricting: A case study in Arizona
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SOCIO-ECONOMIC PLANNING SCIENCES 2024年 92卷
作者: Swamy, Rahul King, Douglas M. Ludden, Ian G. Dobbs, Kiera W. Jacobson, Sheldon H. Univ Illinois Dept Ind & Enterprise Syst Engn 104 S Mathews Ave Urbana IL 61801 USA Rose Hulman Inst Technol Dept Comp Sci & Software Engn 5500 Wabash Ave Terre Haute IN 47803 USA Univ Illinois Dept Comp Sci 201 N Goodwin Ave Urbana IL 61801 USA
Following the decennial census, each state in the U.S. redraws its congressional and state legislative district boundaries, which must satisfy various legal criteria. For example, Arizona's Constitution describes ... 详细信息
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OPTIMAL RANDOMIZED multilevel algorithms FOR INFINITE-DIMENSIONAL INTEGRATION ON FUNCTION SPACES WITH ANOVA-TYPE DECOMPOSITION
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SIAM JOURNAL ON NUMERICAL ANALYSIS 2014年 第3期52卷 1128-1155页
作者: Baldeaux, Jan Gnewuch, Michael Univ Technol Sydney Finance Discipline Grp Sydney NSW 2007 Australia Univ New S Wales Sch Math & Stat Sydney NSW Australia
In this paper, we consider the infinite-dimensional integration problem on weighted reproducing kernel Hilbert spaces with norms induced by an underlying function space decomposition of analysis of variance type. The ... 详细信息
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Improving the Scalability of Distributed Network Emulations: An Algorithmic Perspective
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IEEE TRANSACTIONS ON NETWORK AND SERVICE MANAGEMENT 2023年 第4期20卷 4325-4339页
作者: Zhao, Huaiyi Zhang, Xinyi Wang, Yang Diao, Zulong Li, Yanbiao Xie, Gaogang Chinese Acad Sci Inst Comp Technol Beijing 100190 Peoples R China Univ Chinese Acad Sci Beijing 100049 Peoples R China Chinese Acad Sci Comp Network Informat Ctr Beijing 100083 Peoples R China Purple Mt Labs Dept Future Networks Nanjing 211111 Peoples R China Univ Chinese Acad Sci Sch Comp Sci & Technol Beijing 100049 Peoples R China
By deploying virtualized network elements (hosts, switches, routers, links, etc.) on clusters of commodity machines, distributed network emulations (DNE) closely mimic the behaviors of network systems and provide real... 详细信息
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Infinite-Variate L2-Approximation with Nested Subspace Sampling  15th
Infinite-Variate L<SUP>2</SUP>-Approximation with Nested Sub...
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15th International Conference on Monte Carlo and Quasi-Monte Carlo Methods in Scientific Computing (MCQMC)
作者: Harsha, Kumar Gnewuch, Michael Wnuk, Marcin Osnabruck Univ Inst Math Albrechtrasse 28a D-49074 Osnabruck Germany
We consider L-2-approximation on weighted reproducing kernel Hilbert spaces of functions depending on infinitely many variables. We focus on unrestricted linear information, admitting evaluations of arbitrary continuo... 详细信息
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Newton-type multilevel optimization method
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OPTIMIZATION METHODS & SOFTWARE 2022年 第1期37卷 45-78页
作者: Ho, Chin Pang Kocvara, Michal Parpas, Panos City Univ Hong Kong Sch Data Sci Kowloon Hong Kong Peoples R China Univ Birmingham Sch Math Birmingham W Midlands England Acad Sci Czech Republ Inst Informat Theory & Automat Prague Czech Republic Imperial Coll London Dept Comp London England
Inspired by multigrid methods for linear systems of equations, multilevel optimization methods have been proposed to solve structured optimization problems. multilevel methods make more assumptions regarding the struc... 详细信息
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Fast Computation of Born-Approximated Multistatic Scattering
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IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL 2021年 第12期68卷 3637-3645页
作者: Elbaz, Eden Brick, Yaniv Ben Gurion Univ Negev Sch Elect & Comp Engn IL-8410501 Beer Sheva Israel
An algorithm for the fast computation of multistatic scattering patterns, produced by low-contrast inhomogeneous volumetric objects, which satisfy the Born approximation assumption, is presented. The algorithm relies ... 详细信息
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Gradient-Based Simulation Optimization algorithms via Multi-Resolution System Approximations
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INFORMS JOURNAL ON COMPUTING 2023年 第3期35卷 633-651页
作者: Xu, Jingxu Zheng, Zeyu Univ Calif Berkeley Dept Ind Engn & Operat Res Berkeley CA 94720 USA
We propose gradient-based simulation-optimization algorithms to optimize systems that have complicated stochastic structure. The presence of complicated stochastic structure, such as the involvement of infinite-dimens... 详细信息
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multilevel graph embedding
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NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS 2021年 第3期28卷 e2326-e2326页
作者: Quiring, Benjamin Vassilevski, Panayot S. Northeastern Univ Dept Comp Sci Boston MA 02115 USA Lawrence Livermore Natl Lab Ctr Appl Sci Comp POB 808L-561 Livermore CA 94551 USA Portland State Univ Fariborz Maseeh Dept Math & Stat Portland OR 97207 USA
The goal of the present paper is the design of embeddings of a general sparse graph into a set of points inDouble-struck capital Rdfor appropriated >= 2. The embeddings that we are looking at aim to keep vertices t... 详细信息
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A parallel hierarchical blocked adaptive cross approximation algorithm
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INTERNATIONAL JOURNAL OF HIGH PERFORMANCE COMPUTING APPLICATIONS 2020年 第4期34卷 394-408页
作者: Liu, Yang Sid-Lakhdar, Wissam Rebrova, Elizaveta Ghysels, Pieter Li, Xiaoye Sherry Lawrence Berkeley Natl Lab Computat Res Div Scalable Solvers Grp Berkeley CA 94720 USA Lawrence Berkeley Natl Lab Computat Res Div Berkeley CA 94720 USA Univ Calif Los Angeles Dept Math Los Angeles CA 90024 USA
This article presents a low-rank decomposition algorithm based on subsampling of matrix entries. The proposed algorithm first computes rank-revealing decompositions of submatrices with a blocked adaptive cross approxi... 详细信息
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Adaptive-multilevel BDDC algorithm for three-dimensional plane wave Helmholtz systems
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JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 2021年 381卷 113011-113011页
作者: Peng, Jie Shu, Shi Wang, Junxian Zhong, Liuqiang South China Normal Univ Sch Math Sci Guangzhou 510631 Peoples R China Xiangtan Univ Sch Math & Computat Sci Xiangtan 411105 Peoples R China Xiangtan Univ Hunan Key Lab Computat & Simulat Sci & Engn Xiangtan 411105 Peoples R China
In this paper, we are concerned with the weighted plane wave least-squares (PWLS) method for three-dimensional Helmholtz equations, and develop the multi-level adaptive BDDC algorithms for solving the resulting discre... 详细信息
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